/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/Nodes/RigVMTemplateNode.h
Tries to reduce the input types to a single type, if all are compatible Will prioritize the InPreferredType if available
[TRigVMTypeIndex](API\Plugins\RigVM\RigVMCore\TRigVMTypeIndex) TryReduceTypesToSingle ( const [TArray](API\Runtime\Core\Containers\TArray)< [TRigVMTypeIndex](API\Plugins\RigVM\RigVMCore\TRigVMTypeIndex) > & InTypes, const [TRigVMTypeIndex](API\Plugins\RigVM\RigVMCore\TRigVMTypeIndex) PreferredType ) const